| Locality type: | Nature Reserve |
| Classification |
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| Species: | 'Alkali Feldspar' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Alkali Feldspar data |
| Locality Data: | Click here to view Hørtekollen, Sylling, Lier, Buskerud, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 722367 |
| Long-form Identifier: | 1:3:722367:9 |
| GUID (UUID V4): | 8b4fa587-ecb5-489d-bff2-2f1cd1d0a83c |
| Nearest other occurrences of Alkali Feldspar |
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| 32.2km (20.0 miles) | ⓘSandermosen Station, Maridalen, Oslomarka, Oslo, Norway |
| 62.4km (38.8 miles) | ⓘRauberen, Lake Mykle, Kongsberg, Buskerud, Norway |
| 63.4km (39.4 miles) | ⓘPorphyritic syenite outcrops, Lake Mykle, Kongsberg, Buskerud, Norway |
| 64.9km (40.4 miles) | ⓘMassingen I, Askim, Indre Østfold, Østfold, Norway |
| 67.7km (42.1 miles) | ⓘGislingrud Quarries, Eidsberg, Indre Østfold, Østfold, Norway |
| 71.7km (44.6 miles) | ⓘSkofterud Quarry, Eidsberg, Indre Østfold, Østfold, Norway |
| 80.8km (50.2 miles) | ⓘSkrukka, Rakkestad, Østfold, Norway |
| 85.7km (53.2 miles) | ⓘGokstadhaugen roadcut, Sandefjord, Vestfold, Norway |
| 86.0km (53.4 miles) | ⓘSøndre Ski, Rakkestad, Østfold, Norway |
| 96.1km (59.7 miles) | ⓘLarvik town, Larvik, Vestfold, Norway |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | It mainly occurs on the free surfaces of alkali feldspar, quartz, calcite, kainosite-(Y) and laumontite...Rømming et al. (1993) for a sample from Hørtekollen, Norway. Raade et al. (1993) report kamphaugite-(Y)...crystallized rosettes along cracks in quartz and feldspar. Raade and Brastad (1993) suggest that the unknown...mm in diameter, grown over free surfaces of K-feldspar, quartz, pyrite, clinochlore, calcite, kainosite-(Y)...F Total Total F:O La Cabrera wt.% 1s (51) Hørtekollen wt.% 1s (5) 0.04 0.12 17.80 33.80 0.05 0.24 |
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